How to Patch a Large Drywall Hole with Backer Boards (no Sag Patch)
Introduction This guide explains how to patch a large drywall hole using backer boards to prevent sag. You’ll reinforce the hole with backing and a patch that sits flush with the wall. It’s a practical, hands-on approach you can do with common tools. Begin by assessing the hole and gathering backer options, then plan where […]
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